diff options
Diffstat (limited to 'contrib/bmake/unit-tests/cond-token-string.mk')
| -rw-r--r-- | contrib/bmake/unit-tests/cond-token-string.mk | 39 |
1 files changed, 33 insertions, 6 deletions
diff --git a/contrib/bmake/unit-tests/cond-token-string.mk b/contrib/bmake/unit-tests/cond-token-string.mk index a92d3a896116..d13c68da134a 100644 --- a/contrib/bmake/unit-tests/cond-token-string.mk +++ b/contrib/bmake/unit-tests/cond-token-string.mk @@ -1,4 +1,4 @@ -# $NetBSD: cond-token-string.mk,v 1.4 2021/01/21 00:38:28 rillig Exp $ +# $NetBSD: cond-token-string.mk,v 1.9 2023/11/19 21:47:52 rillig Exp $ # # Tests for quoted string literals in .if conditions. # @@ -9,7 +9,9 @@ # TODO: Implementation # Cover the code in CondParser_String that frees the memory after parsing -# a variable expression based on an undefined variable. +# an expression based on an undefined variable. +# expect+2: Malformed conditional ("" != "${:Uvalue:Z}") +# expect+1: Unknown modifier "Z" .if "" != "${:Uvalue:Z}" . error .else @@ -19,12 +21,14 @@ .if x${:Uvalue} . error .else +# expect+1: xvalue is not defined. . info xvalue is not defined. .endif # The 'x' produces a "Malformed conditional" since the left-hand side of a -# comparison in an .if directive must be either a variable expression, a +# comparison in an .if directive must be either an expression, a # quoted string literal or a number that starts with a digit. +# expect+1: Malformed conditional (x${:Uvalue} == "") .if x${:Uvalue} == "" . error .else @@ -34,6 +38,7 @@ # In plain words, a '\' can be used to escape any character, just as in # double-quoted string literals. See CondParser_String. .if \x${:Uvalue} == "xvalue" +# expect+1: Expected. . info Expected. .else . error @@ -43,6 +48,7 @@ # A string in quotes is checked whether it is not empty. .if "UNDEF" +# expect+1: The string literal "UNDEF" is not empty. . info The string literal "UNDEF" is not empty. .else . error @@ -51,6 +57,7 @@ # A space is not empty as well. # This differs from many other places where whitespace is trimmed. .if " " +# expect+1: The string literal " " is not empty, even though it consists of whitespace only. . info The string literal " " is not empty, even though it consists of $\ whitespace only. .else @@ -60,12 +67,14 @@ .if "${UNDEF}" . error .else +# expect+1: An undefined variable in quotes expands to an empty string, which then evaluates to false. . info An undefined variable in quotes expands to an empty string, which $\ then evaluates to false. .endif .if "${:Uvalue}" -. info A nonempty variable expression evaluates to true. +# expect+1: A nonempty expression evaluates to true. +. info A nonempty expression evaluates to true. .else . error .endif @@ -73,10 +82,28 @@ .if "${:U}" . error .else +# expect+1: An empty variable evaluates to false. . info An empty variable evaluates to false. .endif +# A non-empty string evaluates to true, no matter if it's a literal string or +# if it contains expressions. The parentheses are not necessary for +# the parser, in this case their only purpose is to make the code harder to +# read for humans. +VAR= value +.if ("${VAR}") +.else +. error +.endif + +# In the conditions in .if directives, the left-hand side of a comparison must +# be enclosed in quotes. The right-hand side does not need to be enclosed in +# quotes. +.if "quoted" == quoted +.else +. error +.endif + .MAKEFLAGS: -d0 -all: - @:; +all: .PHONY |